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Finding the Fourth Proportional to 8,992.10, 13,484.10 and 3,443.60

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Solution

The fourth proportional to 8,992.10, 13,484.10 and 3,443.60 is: 5,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.10 : 13,484.10 = 3,443.60 : x
  2. Step 2: Convert to fraction form
    8,992.10/13,484.10 = 3,443.60/x
  3. Step 3: Cross multiply
    8,992.10x = 13,484.10 × 3,443.60
  4. Step 4: Simplify right side
    8,992.10x = 46,433,846.76
  5. Step 5: Solve for x
    x = 46,433,846.76/8,992.10
  6. Step 6: Final answer
    x = 5,163.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.